Twenty business majors and 18 economics majors go bowling. Each student bowls one game. The scorekeeper announces

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Twenty business majors and 18 economics majors go bowling. Each student bowls one game. The scorekeeper announces that the mean score for the 18 economics majors is 144 and the mean score for the entire group of 38 students is 150. Find the mean score for the 20 business majors.
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